Cliki contributors (that's you!) believe that the libraries on this page are considered "good enough for government use", and serve as a starting point when looking for a library covering a given field.

Salza2 is a Common Lisp library for creating compressed data in the ZLIB, DEFLATE, or GZIP data formats, described in RFC 1950, RFC 1951, and RFC 1952, respectively. It does not use any external libraries for compression. It does not yet support decompression.

Chipz is a decompression library for decompressing DEFLATE (RFC 1951) data such as ZLIB (RFC 1950), GZIP (RFC 1952), as well as bzip2.

Audio

mixalot. Mixalot currently consists of a mixer component providing straightforward audio output on Linux (via ALSA) and other platforms (using libao), a CFFI binding to the libmpg123 library, and a helper component allowing playback of MP3 files through the mixer.

Encryption

Ironclad : A native Common Lisp package with support for several ciphers and hash functions

PRNG

MT19937 : a portable Mersenne Twister pseudo-random number generator. Has its own *random-state* and supports seeding from any integer.